Four-wheel-drive vehicle having a torque transmission coupling f

Details Four-wheel-drive vehicle having a torque transmission coupling f Four-wheel-drive vehicle having a torque transmission coupling f

1987-04-17

1990-07-03

Hill, Mitchell J.

Motor vehicles

Having four wheels driven

74467, 180247, 180248, 180249, 184 612, B60K 1734, F16H 144, F16H 5704

Patent

active

049383060

ABSTRACT:
A full time-four-wheel-drive vehicle in which front and rear wheels are always connected to each other through a torque transmission coupling includes an engine; a transmission, a first differential which is driven through the transmission to drive one of a front and a rear wheel systems; a second differential which is drivingly connected to the other of the systems; and a torque transmission coupling which includes an input shaft which is drivingly connected to the transmission and the first differential, an output shaft which is drivingly connected to the second differential, an oil pump which is driven by the relative rotation between the input shaft and the output shaft to generate oil pressure corresponding to the speed of the relative rotation, and a friction clutch mechanism which engages the input shaft and the output shafts with each other by the oil pressure generated by the oil pump.

REFERENCES:
patent: 3894446 (1975-07-01), Snoy et al.
patent: 4179952 (1979-12-01), Keske et al.
patent: 4280583 (1981-07-01), Stieg
patent: 4442729 (1984-04-01), Hayakawa
patent: 4445400 (1984-05-01), Sullivan
patent: 4452100 (1984-06-01), Sullivan
patent: 4552241 (1985-11-01), Suzuki
patent: 4605087 (1986-08-01), Ashauer
patent: 4618022 (1986-10-01), Hayashi
patent: 4624355 (1986-11-01), Mroz
patent: 4739678 (1988-04-01), Miura et al.

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